diff options
| author | Lukasz Majewski <l.majewski@samsung.com> | 2014-12-08 20:04:18 +0300 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2014-12-08 22:45:29 +0300 |
| commit | a9bf2cc49d9030e374edb9cc0389512a1a1c357e (patch) | |
| tree | 54f581d2c4a2a49259e523bc1b32cd29b0ac8bc0 /drivers/thermal | |
| parent | 08dab66ec8431a1f744596cfc9f5fb659b623835 (diff) | |
| download | linux-a9bf2cc49d9030e374edb9cc0389512a1a1c357e.tar.xz | |
thermal: of: Extend of-thermal.c to provide check if trip point is valid
This patch extends the of-thermal.c to provide check if trip point is
valid.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/of-thermal.c | 21 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.h | 6 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 7facd23b1d9b..87b9cfe28eb8 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -133,6 +133,27 @@ int of_thermal_get_ntrips(struct thermal_zone_device *tz) } EXPORT_SYMBOL_GPL(of_thermal_get_ntrips); +/** + * of_thermal_is_trip_valid - function to check if trip point is valid + * + * @tz: pointer to a thermal zone + * @trip: trip point to evaluate + * + * This function is responsible for checking if passed trip point is valid + * + * Return: true if trip point is valid, false otherwise + */ +bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, int trip) +{ + struct __thermal_zone *data = tz->devdata; + + if (!data || trip >= data->ntrips || trip < 0) + return false; + + return true; +} +EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid); + static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, enum thermal_trend *trend) { diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 1cc5041b7a26..58a0dfa44705 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -90,6 +90,7 @@ static inline void thermal_gov_user_space_unregister(void) {} int of_parse_thermal_zones(void); void of_thermal_destroy_zones(void); int of_thermal_get_ntrips(struct thermal_zone_device *); +bool of_thermal_is_trip_valid(struct thermal_zone_device *, int); #else static inline int of_parse_thermal_zones(void) { return 0; } static inline void of_thermal_destroy_zones(void) { } @@ -97,6 +98,11 @@ static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz) { return 0; } +static inline bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, + int trip) +{ + return 0; +} #endif #endif /* __THERMAL_CORE_H__ */ |